First Floor Flat, 4 Eccleston Square, London, SW1V 1NP
About First Floor Flat
First Floor Flat is a mid-terrace house in London (SW1V 1NP). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1967-1975. The latest certificate (May 2022) shows a C (score 69), just inside the C band.
On a £-per-square-foot basis, the last sale (£2,467/sq ft) was about 211.9% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. At 45 m² it's 22.4% smaller than the typical home in the postcode (58 m² median across 37 EPCs). Most recent transfer: April 2021 at £1,195,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at First Floor Flat
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Planning history
A recent planning application at First Floor Flat was refused — worth checking the council file.
- Oct 2021RenovationHeritageIn report
Internal alterations
- Documents
- 18 docs on file
- Reference
- 21/05885/LBC
- Aug 2021RenovationHeritageIn report
Internal refurbishment of maisonette, including minor alterations to the existing fabric, decoration and upgrades to fixtures and fittings.
- Agent
- PARTI
- Documents
- 19 docs on file
- Reference
- 21/04634/LBC
We flagged 1 thing worth checking at First Floor Flat
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,120,000
Modelled from EPC, postcode comparables.
£1,195,000
Recorded with HM Land Registry.
Sales timeline
13 April 2021Most recent
£1,195,000
Median price across the last 5 sales in SW1V 1NP: £610,000 (2025–2022).
Nearby sales in SW1V 1NP
3a, Eccleston Square, Westminster, London, SW1V 1NP
Sold Sept 2025
£410,000Flat 3, 11 Eccleston Square, London, SW1V 1NP
Sold Sept 2024
£685,750Third & Fourth Floor Flat, 6 Eccleston Square, London, SW1V 1NP
Sold Jul 2023
£1,520,000Flat 5, 3 Eccleston Square, London, SW1V 1NP
Sold Jan 2023
£527,000Second Floor Flat, 6 Eccleston Square, London, SW1V 1NP
Sold Nov 2022
£610,000
Everything we know about First Floor Flat, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Eccleston Square homes
First Floor Flat outperforms the street on price per m² by a wide margin.
Price per m²
£26,556
Street avg £10,803
Floor Area
45 m²
Street avg 69 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.7 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Green Line Coach Station — bus stop.
Closest school
0.4 km
St Peter's Eaton Square CofE Primary School. 64 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
60.4dB
Night-time· 23:00 – 07:00
50.6dB